*{box-sizing:border-box}
:root{--black:#101012;--black-soft:#171719;--white:#f7f4f1;--paper:#f1eeea;--red:#b9101c;--red-bright:#d61f2c;--line-dark:rgba(255,255,255,.14);--line-light:rgba(20,20,20,.15);--muted-dark:#aaa3a3;--muted-light:#6f6a67;--container:1180px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:#151515;background:var(--white);line-height:1.85}
a{color:inherit}.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}.narrow{max-width:820px}
.site-header{background:var(--black);color:#fff;border-bottom:1px solid var(--line-dark)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:700;text-decoration:none}.brand-mark{width:32px;height:32px;display:grid;place-items:center;background:var(--red);color:#fff;font-family:Georgia,"Times New Roman",serif;font-weight:700}
.header-nav{display:flex;align-items:center;gap:24px;font-size:13px}.header-nav a{text-decoration:none;color:#d6d0d0}.header-nav a:hover{color:#fff}.header-cta{border:1px solid rgba(255,255,255,.32);padding:9px 15px}
.hero{background:var(--black);color:#fff;padding:92px 0 96px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:end;gap:80px}
.eyebrow,.section-kicker{margin:0 0 18px;color:#e34a53;font-size:11px;letter-spacing:.2em;font-weight:800}
h1,h2{margin:0;font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Noto Serif JP",serif;font-weight:500;line-height:1.38;letter-spacing:.015em}
h1{font-size:clamp(44px,6vw,76px)}h1 span{color:#fff;text-decoration:underline;text-decoration-color:var(--red-bright);text-decoration-thickness:4px;text-underline-offset:8px}
h2{font-size:clamp(34px,4vw,52px)}h3{line-height:1.55}
.hero-copy{max-width:680px;color:#bdb7b7;margin:28px 0 0;font-size:15px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid transparent;font:inherit;font-size:13px;font-weight:700;text-decoration:none;cursor:pointer}
.btn-primary{color:#fff;background:var(--red)}.btn-primary:hover{background:var(--red-bright)}.btn-secondary{color:#fff;border-color:rgba(255,255,255,.34);background:transparent}.btn-light{background:#fff;color:#151515}
.hero-panel{border-top:1px solid rgba(255,255,255,.35);padding-top:26px}.panel-label{color:#e34a53;font-size:11px;letter-spacing:.15em;font-weight:800}
.hero-panel strong{display:block;font-family:"Yu Mincho","YuMincho",serif;font-size:clamp(28px,3vw,40px);line-height:1.55;margin-top:18px;font-weight:500}.hero-panel p{color:#aaa3a3;font-size:14px;margin:18px 0 0}
.notice{background:var(--red);color:#fff}.notice-inner{min-height:66px;display:flex;align-items:center;gap:28px}.notice-inner span{font-size:11px;letter-spacing:.12em;font-weight:800;white-space:nowrap}.notice-inner p{margin:0;font-size:13px}
.section{padding:96px 0}.section-light{background:var(--paper)}.section-dark{background:var(--black);color:#fff}
.section-head{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:end;margin-bottom:54px}.section-intro{margin:0;color:var(--muted-light);font-size:14px}.dark-copy{color:var(--muted-dark)}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-light);border-left:1px solid var(--line-light)}
.fact-card{min-height:260px;padding:30px;border-right:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}.fact-no,.option-no{color:var(--red);font-size:11px;font-weight:800}
.fact-card h3{font-size:22px;margin:42px 0 14px}.fact-card p{margin:0;color:var(--muted-light);font-size:14px}
.calc-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}.calculator{border:1px solid var(--line-dark);padding:34px}
.calc-row+.calc-row{margin-top:22px}.calc-row label{display:block;margin-bottom:8px;color:#d8d2d2;font-size:13px}.calc-row select{width:100%;min-height:48px;border:1px solid rgba(255,255,255,.25);background:#171719;color:#fff;padding:0 14px;font:inherit}
.calc-button{width:100%;margin-top:28px}.calc-result{margin-top:24px;padding:22px;background:#f4f0ed;color:#181818}.calc-result strong{display:block;color:var(--red);font-size:24px;line-height:1.5}.calc-result p{margin:8px 0 0;font-size:13px}.calc-note{margin:18px 0 0;color:#888181;font-size:11px}
.option-list{border-top:1px solid var(--line-light)}.option{display:grid;grid-template-columns:100px 1fr;gap:32px;padding:34px 0;border-bottom:1px solid var(--line-light)}.option h3{margin:0 0 8px;font-size:23px}.option p{margin:0;color:var(--muted-light);font-size:14px;max-width:800px}
.decision-section{background:#fff}.decision-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line-light);border-left:1px solid var(--line-light)}.check-item{min-height:150px;padding:24px;border-right:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}.check-item span{color:var(--red);font-size:10px;font-weight:800}.check-item p{margin:26px 0 0;font-weight:700;line-height:1.6}
.helper-note{margin-top:48px;padding:28px 32px;background:var(--paper)}.helper-note strong{display:block;font-size:18px;margin-bottom:8px}.helper-note p{margin:0;color:var(--muted-light);font-size:14px}
.consultation{background:var(--red);color:#fff}.consultation-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.consultation .section-kicker{color:#ffd0d2}.consultation p{color:#ffe9e9;margin:0 0 28px;font-size:14px}
.sources{background:var(--white)}.sources h2{font-size:38px}.sources>.container>p{color:var(--muted-light)}.sources ul{padding-left:20px}.sources a{color:var(--red);text-underline-offset:3px}.updated{margin-top:30px;font-size:12px}
.site-footer{background:#0c0c0e;color:#9f9999;font-size:11px}.footer-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:22px}.footer-inner a{color:#c5bebe}
@media(max-width:880px){.hero-grid,.section-head,.calc-grid,.decision-grid,.consultation-grid{grid-template-columns:1fr;gap:44px}.hero{padding:70px 0 72px}.fact-grid{grid-template-columns:1fr}.fact-card{min-height:auto}}
@media(max-width:640px){.container{width:min(calc(100% - 30px),var(--container))}.header-inner{min-height:66px}.header-nav>a:first-child{display:none}h1{font-size:44px}h2{font-size:34px}.hero-grid{gap:52px}.notice-inner{align-items:flex-start;flex-direction:column;gap:3px;padding:15px 0}.section{padding:68px 0}.option{grid-template-columns:48px 1fr;gap:16px}.check-grid{grid-template-columns:1fr}.calculator{padding:24px 20px}.footer-inner{flex-direction:column;align-items:flex-start;justify-content:center;padding:24px 0}}