:root{--paper:#f6f3eb;--ink:#193f35;--muted:#56665b;--line:#d2d8cc;--blue:#315e4d;--leaf:#e9f2af;--orange:#b9472d;--white:#fffdf7;--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;--content:1100px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:.3em}a:hover{color:var(--orange)}a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:5px}img,svg{max-width:100%}p,h1,h2,h3,figure{margin:0}h1,h2{font-family:var(--serif);font-weight:600}h2{font-size:clamp(28px,3vw,40px);line-height:1.6;letter-spacing:.025em}h3{font-size:20px;line-height:1.6}.container{width:min(var(--content),calc(100% - 96px));margin-inline:auto}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;line-height:1.8;color:var(--blue)}.skip-link{position:fixed;top:-100px;left:16px;padding:12px;background:white;z-index:100}.skip-link:focus{top:12px}.mobile-only{display:none}
.disclosure{font-size:10px;color:var(--muted);line-height:1.7;padding:7px 0}.pr{font-size:9px;padding:1px 5px;border:1px solid #acb9a9;margin-right:7px}.header{position:sticky;top:0;z-index:20;background:var(--paper)}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.brand svg{flex-shrink:0}.brand strong{font-size:17px;line-height:1.5;display:block;letter-spacing:.02em}.brand small{display:block;font-size:9px;letter-spacing:.15em;color:var(--muted);margin-top:3px}.nav{display:flex;gap:27px;font-size:12px;font-weight:700}.nav a{text-decoration:none;padding:13px 0}.mobile-menu{display:none}
.hero{margin:0 18px;background:var(--ink);color:var(--white);border-radius:8px 100px 8px 8px;position:relative;isolation:isolate;overflow:hidden;padding:47px 24px 26px;min-height:650px}.hero-route{position:absolute;inset:0;width:100%;height:100%;max-width:none;z-index:-2;opacity:.75}.hero:after{content:"";position:absolute;inset:38px 27% 68px;background:var(--ink);z-index:-1;border-radius:48%;box-shadow:0 0 55px 38px var(--ink)}.hero-copy{max-width:720px;margin:auto;text-align:center}.hero .eyebrow{color:#d4dec6;font-size:12px;letter-spacing:.2em}.hero h1{line-height:1.5;margin:22px 0 15px;letter-spacing:.04em}.hero h1 span{display:block}.hero-subject{font-size:27px}.hero-question{font-size:58px;font-weight:500;letter-spacing:.06em}.hero-answer{font-size:16px;line-height:1.9;color:#f0f0db}.hero-answer strong{font-weight:600}.mobile-benefit{display:flex;justify-content:center;gap:30px;margin:22px 0 7px;color:var(--leaf);font-size:12px;line-height:1.5}.mobile-benefit strong{font-size:29px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin:0 4px}.mobile-benefit>span+span{padding-left:30px;border-left:1px solid #587262}.conditions-short{font-size:11px;color:#d4dec6;line-height:1.85;max-width:550px;margin-inline:auto}.button{display:flex;align-items:center;justify-content:space-between;gap:14px;text-decoration:none;border-radius:99px;padding:14px 25px;font-size:16px;font-weight:700;min-height:72px;line-height:1.6;transition:background .15s}.button small{font-size:10px;display:block;font-weight:500;letter-spacing:.02em;margin-top:2px}.button>span:last-child{font-size:24px;font-weight:400}.primary{background:var(--leaf);color:var(--ink);border:1px solid var(--leaf)}.primary:hover{color:var(--ink);background:#f2f7d4}.hero-copy>.button{width:min(360px,100%);margin:22px auto 0;text-align:left}.micro{font-size:12px;line-height:1.85;color:var(--muted);margin-top:12px}.hero .micro{color:#d4dec6;font-size:11px;margin-top:11px}.hero-read{font-size:12px;text-decoration:none;display:inline-flex;align-items:center;gap:20px;margin-top:14px;color:#fffdf7}.hero-read:hover{color:var(--leaf)}.hero-foot{display:flex;justify-content:space-between;margin:30px 24px 0;color:#c9d6b7;font-size:9px;letter-spacing:.13em}
.chapter-nav{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;padding-bottom:26px;border-bottom:1px solid var(--line)}.chapter-nav a{display:flex;align-items:center;gap:14px;text-decoration:none;font-size:13px;padding:8px 24px}.chapter-nav a+a{border-left:1px solid var(--line)}.chapter-nav a>span:first-child{color:var(--orange);font-family:Georgia,serif;font-size:23px;font-style:italic}.chapter-nav a>span:last-child{margin-left:auto}.chapter-nav strong{font-weight:600}
.section,.benefits-section{padding-block:86px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:35px}.section-head .eyebrow{margin-bottom:14px}.section-head>p{font-size:14px;line-height:1.9;color:var(--muted)}.centered-head{display:block;text-align:center}.centered-head>p:last-child{margin-top:14px}.benefit-sheet{display:grid;grid-template-columns:1.45fr 1fr;gap:44px;align-items:center}.official-banner img{width:100%;height:auto;display:block}.official-banner figcaption{font-size:10px;color:var(--muted);padding-top:10px}.benefit-conditions{padding:0}.code{font-size:10px;letter-spacing:.15em;color:var(--muted);margin-bottom:22px}.code b{font-weight:500;font-family:Georgia,serif;font-size:24px;letter-spacing:0;margin-left:10px;color:var(--ink)}.sheet-label{font-size:18px;font-weight:700;line-height:1.65}.benefit-conditions ul{padding-left:1.1em;margin:18px 0 24px;font-size:14px;line-height:1.85}.benefit-conditions li+li{margin-top:10px}.text-link{font-size:13px;font-weight:650;line-height:1.8}.text-link span{margin-left:8px}
.process{background:#e8eddf;padding:65px 0 35px;border-radius:100px 0 0 0}.process-head>p{max-width:380px}.process-map{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.process-map li{min-width:0;position:relative;padding:25px 24px 30px;background:var(--white);border-radius:80px 80px 8px 8px}.diagram{height:112px;display:flex;align-items:center;justify-content:center;position:relative;margin-bottom:22px}.diagram svg{width:120px;height:80px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.diagram-accent{stroke:var(--orange)}.step-no{position:absolute;left:0;top:8px;font-family:Georgia,serif;font-style:italic;font-size:23px;color:var(--orange)}.node-tag{position:absolute;bottom:0;left:0;width:100%;text-align:center;font-size:10px;color:var(--muted)}.process-map h3{font-size:17px;margin-bottom:10px}.process-map p{font-size:14px;color:var(--muted);line-height:1.95}.process-note{font-size:12px;color:var(--muted);margin-top:28px;line-height:1.9}.process-note>span{color:var(--ink);font-weight:700;display:inline-block;margin-right:12px}
.feature-guides{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:34px}.feature-guide{position:relative;text-decoration:none;display:block;padding:0 32px 0;background:#dce5d6;border-radius:8px;overflow:hidden}.prepare-guide{background:#eee1ce}.feature-guide:hover{color:var(--ink);background:#d3dfc9}.prepare-guide:hover{background:#e9d9c1}.guide-art{height:158px;display:flex;justify-content:center;margin:0 -32px 24px;background:#a9c0ad}.prepare-guide .guide-art{background:#e0bc99}.guide-art svg{width:360px;height:100%}.guide-category{font-size:11px;font-weight:700;letter-spacing:.1em}.guide-arrow{position:absolute;right:30px;top:177px;font-size:25px}.feature-guide h3{font-family:var(--serif);font-size:27px;line-height:1.6;font-weight:600;margin:16px 0}.feature-guide p{font-size:14px;color:var(--muted);line-height:1.9}.guide-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:25px;padding:19px 0;border-top:1px solid #b7c5ae;font-size:13px;font-weight:650}.prepare-guide .guide-bottom{border-color:#cfbfa8}.guide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 38px}.guide-list>a{display:flex;align-items:center;gap:15px;min-height:111px;padding:23px 0;text-decoration:none;border-bottom:1px solid var(--line)}.guide-list>a>span:nth-child(2){flex:1;min-width:0}.guide-id{font-family:Georgia,serif;font-size:18px;font-style:italic;color:var(--orange);align-self:flex-start}.guide-list strong{display:block;font-size:15px;font-weight:650}.guide-list small{display:block;font-size:13px;line-height:1.85;color:var(--muted);margin-top:5px}.guide-list>a>span:last-child{font-size:19px}.all-guides{display:block;width:max-content;max-width:100%;margin:30px auto 0;border:1px solid var(--ink);border-radius:50px;text-decoration:none;padding:12px 24px}
.decision-section{margin:0 18px;background:#ede5d6;border-radius:8px 8px 100px 8px;padding:66px 0}.decision-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:80px}.decision-layout .eyebrow{margin-bottom:18px;color:var(--orange)}.decision-layout>div>p:last-child{font-size:14px;color:var(--muted);margin-top:22px;line-height:1.9}.decision-options article{padding:0 0 23px}.decision-options article+article{padding-top:23px;border-top:1px solid #d1c8b6}.decision-options h3{font-size:16px}.decision-options article p{font-size:15px;color:var(--muted);line-height:1.9;padding-left:27px;margin-top:10px}.decision-mark{display:inline-block;min-width:21px;color:var(--orange)}.decision-options .already-applied{font-size:13px;line-height:1.9;margin-top:4px;color:var(--muted);border-left:2px solid #b68463;padding-left:16px}
.faq-section{max-width:820px}.faq-section .eyebrow{margin-bottom:13px}.faq-intro{font-size:14px;color:var(--muted);line-height:1.9;margin:18px 0}.faq-list{margin-top:40px}.faq-list details{margin-top:12px;border-radius:6px;background:var(--white);border:1px solid var(--line);padding:22px 28px}.faq-list summary{font-size:15px;font-weight:650;line-height:1.85;list-style:none;cursor:pointer;padding-left:27px;padding-right:30px;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:before{content:"Q";font-family:Georgia,serif;font-style:italic;position:absolute;left:0;color:var(--orange);font-size:20px;line-height:1.3}.faq-list summary:after{content:"＋";position:absolute;right:0;top:0;color:var(--ink);font-size:20px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list .answer{font-size:14px;line-height:1.95;color:var(--muted);margin-top:17px;padding-left:27px}
.editor-section{display:grid;grid-template-columns:.8fr 1.6fr;gap:70px;border-top:1px solid var(--line);padding:44px 0 65px;max-width:950px}.editor-heading{display:flex;align-items:center;gap:20px}.editor-monogram{display:grid;place-items:center;flex-shrink:0;width:75px;height:75px;border-radius:50%;background:#dfe6d7;font-size:30px;font-family:var(--serif)}.editor-heading p{font-size:12px;line-height:1.8}.editor-copy h2{font-size:23px;line-height:1.7}.editor-copy p{font-size:14px;color:var(--muted);line-height:2;margin:16px 0}
.closing{background:var(--ink);color:var(--white);padding:68px 0;text-align:center}.closing-grid{display:block}.closing .eyebrow{color:var(--leaf);margin-bottom:16px}.closing h2{font-size:36px}.closing-grid>div>p:last-child{font-size:14px;color:#d4dec6;margin-top:18px}.closing-action{max-width:380px;margin:28px auto 0}.closing .micro{color:#d4dec6}.closing-action .button{text-align:left}.closing-action>.text-link{font-size:12px;display:inline-block;margin-top:20px}.closing a:not(.button):hover{color:var(--leaf)}.turbo-note{font-size:12px;display:flex;gap:24px;padding:28px 0}.turbo-note>span{color:var(--muted)}.footer{background:#e8eddf;padding:40px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:40px}.footer-top strong{font-size:16px}.footer-top p{font-size:11px;line-height:1.9;color:var(--muted);margin-top:14px}.footer-top nav{display:flex;align-items:start;gap:24px;font-size:12px}.footer a{text-decoration:none}.footer a:hover{text-decoration:underline}.languages{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;padding-top:22px;border-top:1px solid #c5d0bd;font-size:11px}.languages>span{font-size:10px;letter-spacing:.1em;color:var(--muted)}.copyright{font-size:10px;color:var(--muted);margin-top:24px}.mobile-action{display:none}
@media(min-width:1500px){.hero{max-width:1500px;margin-inline:auto}}
@media(max-width:1000px){.container{width:calc(100% - 56px)}.nav{gap:17px;font-size:11px}.brand strong{font-size:15px}.hero-route{opacity:.5}.hero:after{inset-inline:23%}.hero-subject{font-size:25px}.hero-question{font-size:52px}.benefit-sheet{grid-template-columns:1.2fr 1fr;gap:25px}.benefit-conditions ul{font-size:13px}.process-map{gap:18px}.process-map li{padding-inline:19px}.decision-layout{gap:40px}.feature-guide{padding-inline:25px}.guide-art{margin-inline:-25px}.feature-guide h3{font-size:24px}.editor-section{gap:35px}.footer-top nav{gap:14px}.chapter-nav a{padding-inline:13px;gap:10px}.chapter-nav strong{font-size:12px}}
@media(max-width:700px){
html{scroll-padding-top:76px}body{padding-bottom:99px;font-size:15px}.container{width:calc(100% - 40px)}.disclosure{font-size:9px;padding:6px 0}.header-row{min-height:66px;gap:10px}.brand{gap:8px}.brand svg{width:30px;height:30px}.brand strong{font-size:14px;letter-spacing:0}.brand small{font-size:8px;letter-spacing:.06em}.nav{display:none}.mobile-menu{display:block;font-size:11px;text-decoration:none;white-space:nowrap}.mobile-menu span{margin-left:5px}
.hero{margin:0 9px;border-radius:6px 60px 6px 6px;padding:30px 19px 20px;min-height:0}.hero-route{opacity:.4;left:-45%;width:190%;height:100%;}.hero:after{inset:55px 12% 90px;box-shadow:0 0 35px 22px var(--ink)}.hero .eyebrow{font-size:9px;letter-spacing:.08em}.hero h1{margin:20px 0 16px;line-height:1.5}.hero-subject{font-size:18px;letter-spacing:0}.hero-question{font-size:36px;letter-spacing:.035em;margin-top:4px}.hero-answer{font-size:14px;line-height:1.85}.mobile-benefit{gap:15px;margin:22px -4px 10px;font-size:9px}.mobile-benefit strong{font-size:22px;margin:0 2px}.mobile-benefit>span+span{padding-left:15px}.conditions-short{font-size:10px;line-height:1.8;max-width:300px}.hero-copy>.button{margin-top:20px}.button{font-size:15px;min-height:68px;padding:13px 22px}.button small{font-size:10px}.hero .micro{font-size:10px}.hero-read{font-size:11px;margin-top:13px;gap:16px}.hero-foot{margin:27px 0 0;font-size:8px;justify-content:center}.hero-foot>span:last-child{display:none}
.chapter-nav{margin-top:17px;padding-bottom:19px}.chapter-nav a{flex-wrap:wrap;gap:1px 7px;padding:5px 9px}.chapter-nav a>span:first-child{font-size:20px}.chapter-nav strong{font-size:10px;line-height:1.7;flex-basis:100%;order:1;letter-spacing:-.03em}.chapter-nav a>span:last-child{font-size:13px}.chapter-nav a:first-child{padding-left:0}.chapter-nav a:last-child{padding-right:0}
h2{font-size:28px;line-height:1.6}.section,.benefits-section{padding:54px 0}.section-head{display:block;margin-bottom:26px}.section-head .eyebrow{font-size:10px;margin-bottom:12px}.section-head>p{font-size:13px;margin-top:16px}.mobile-only{display:block}.centered-head h2{font-size:26px}.benefit-sheet{grid-template-columns:1fr;gap:25px}.official-banner figcaption{font-size:9px}.benefit-conditions{padding:0 5px}.code{margin-bottom:12px;font-size:9px}.code b{font-size:21px}.sheet-label{font-size:16px}.benefit-conditions ul{font-size:14px;margin:13px 0 20px}.benefit-conditions li+li{margin-top:7px}.text-link{font-size:12px}
.process{border-radius:50px 0 0 0;padding:44px 0 30px}.process-head h2{font-size:28px}.process-map{grid-template-columns:1fr;gap:15px}.process-map li{border-radius:35px 6px 6px 6px;padding:23px 22px;display:grid;grid-template-columns:68px 1fr;gap:6px 18px}.diagram{height:95px;grid-row:1/3;margin:0}.diagram svg{width:65px;height:65px;margin-top:15px}.step-no{font-size:18px;top:-5px;left:0}.node-tag{display:none}.process-map h3{font-size:15px;margin:0;line-height:1.75}.process-map p{font-size:14px;line-height:1.9}.process-note{font-size:11px;margin-top:23px}.process-note>span{display:block;margin-bottom:6px}
.feature-guides{grid-template-columns:1fr;gap:22px;margin-bottom:22px}.feature-guide{padding-inline:24px}.guide-art{height:136px;margin:0 -24px 20px}.guide-arrow{top:150px;right:24px}.guide-category{font-size:10px}.feature-guide h3{font-size:25px;margin:14px 0}.feature-guide p{font-size:14px}.feature-guide p br{display:none}.guide-bottom{font-size:12px;margin-top:22px;padding:16px 0}.guide-list{grid-template-columns:1fr}.guide-list>a{min-height:105px;gap:12px;padding:21px 0}.guide-list strong{font-size:14px}.guide-list small{font-size:12px}.guide-id{font-size:17px}.guide-list>a>span:last-child{font-size:18px}.all-guides{margin-top:26px;font-size:12px;padding:11px 21px}
.decision-section{margin:0 9px;border-radius:6px 6px 60px 6px;padding:42px 0}.decision-layout{grid-template-columns:1fr;gap:30px;width:calc(100% - 38px)}.decision-layout .eyebrow{font-size:10px;margin-bottom:12px}.decision-layout h2{font-size:29px}.decision-layout>div>p:last-child{font-size:13px;margin-top:16px}.decision-options h3{font-size:14px}.decision-options article p{font-size:14px;line-height:1.95;padding-left:24px}.decision-options .already-applied{font-size:12px}.faq-section .eyebrow{font-size:10px}.faq-section h2{font-size:25px}.faq-intro{font-size:13px;margin:18px 0}.faq-list{margin-top:28px}.faq-list details{padding:18px 17px;margin-top:10px}.faq-list summary{font-size:14px;padding-left:23px;padding-right:23px}.faq-list .answer{font-size:14px;padding-left:0}.faq-list summary:before{font-size:18px}
.editor-section{grid-template-columns:1fr;gap:24px;padding:32px 0 44px}.editor-heading{gap:15px}.editor-monogram{width:55px;height:55px;font-size:25px}.editor-heading p{font-size:11px}.editor-copy h2{font-size:22px}.editor-copy p{font-size:14px}.closing{padding:44px 0}.closing .eyebrow{font-size:10px}.closing h2{font-size:28px}.closing-grid>div>p:last-child{font-size:13px}.closing-action{margin-top:25px}.closing .micro{font-size:11px}.closing-action>.text-link{font-size:11px}.turbo-note{display:block;font-size:11px;padding:25px 0}.turbo-note>span{display:block;margin-top:6px}.footer{padding:30px 0 22px}.footer-top{display:block}.footer-top strong{font-size:14px}.footer-top p{font-size:10px}.footer-top nav{flex-wrap:wrap;margin-top:22px;gap:16px;font-size:11px}.languages{gap:13px 16px;font-size:10px;margin-top:24px;padding-top:20px}.languages>span{flex-basis:100%;font-size:9px}.copyright{font-size:9px}
.mobile-action{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:25;align-items:center;gap:12px;background:var(--paper);border-top:1px solid var(--line);padding:10px 15px max(10px,env(safe-area-inset-bottom))}.mobile-conditions{font-size:11px;font-weight:700;line-height:1.6;text-decoration:none;white-space:nowrap}.mobile-conditions span{font-size:10px;font-weight:400}.mobile-action>.button{flex:1;min-width:0;min-height:62px;background:var(--ink);border-color:var(--ink);color:var(--white);padding:10px 17px;font-size:13px;gap:8px}.mobile-action .button small{font-size:9px;letter-spacing:0}.mobile-action .button>span:last-child{font-size:21px}
}
@media(max-width:360px){.container{width:calc(100% - 32px)}.hero{padding-inline:15px}.hero-subject{font-size:15px}.hero-question{font-size:31px}.hero .eyebrow{font-size:8px}.mobile-benefit{gap:9px;font-size:8px}.mobile-benefit strong{font-size:19px}.mobile-benefit>span+span{padding-left:9px}.brand strong{font-size:12px}.brand small{font-size:8px}.brand svg{width:27px}.button{font-size:14px;padding-inline:19px}.process-map li{grid-template-columns:52px 1fr;gap:6px 12px;padding:20px 17px}.process-map h3{font-size:14px}.process-map p{font-size:13px}.feature-guide h3{font-size:23px}.centered-head h2{font-size:23px}.mobile-action{padding-inline:12px;gap:9px}.mobile-action>.button{font-size:11px;padding-inline:13px}.mobile-action .button small{font-size:8px}.chapter-nav strong{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* 公開トップ専用。共通CSSや他ページの表示は変更しない。 */
.hero-question{font-size:46px;letter-spacing:.025em}
.hero-answer{font-size:15px}
.hero-answer strong{white-space:nowrap}
.conditions-short a{color:inherit;text-decoration:underline}
@media(max-width:1000px) and (min-width:701px){.hero-question{font-size:40px}}
@media(max-width:700px){.hero-subject{font-size:17px}.hero-question{font-size:31px;line-height:1.45}.hero-answer{font-size:13px}.hero-answer strong{display:inline}.conditions-short{font-size:11px}.hero{padding-top:25px}}
@media(max-width:360px){.hero-subject{font-size:15px}.hero-question{font-size:27px}.hero-answer{font-size:12px}.conditions-short{font-size:10px}}